Isotopes of an element have the same number of protons but a different number of neutrons below u will see the nucleus of four different atoms which atoms are isotopes of each other (there no pic i guess)

Average precipitation of arctic tundra

A car traveled at a constant velocity of 70 mph from noon to 2:00 pm. At 3:00 pm the velocity of the car was 80 mph; and finally at 4:30 pm the velocity of the car was 40 mph.

Explain how a bond forms between sodium and chlorine in sodium chloride (NaCl).

Give an example of a physical property that is also a characteristic property

What makes an increase in temperature change the reaction rate? O A. It increases the equilibrium constant of the reaction. O B. It decreases the activation energy of the reaction. O C. It prevents the backward reaction from happening. O D.

Molybdenum has a body-centered cubic unit cell. how many atoms of mo are present in each unit cell?

What is the charge of a magnesium ion?

What is the solubility of ammonium chloride at 90 degrees celcius

Which of the following is a result of sea floor spreading

Solve the below problem. How many liters of ammonia gas (NH3), can be formed from 54.1 liters of hydrogen gas (H2) at STP? 3H2 + N2 - - > 2NH3 Question options: 36.1 liters NH3 81.1 liters NH3 44.8 liters NH3 27.1 liters NH3